GetThreadId

Retrieves the thread identifier of the specified thread.

Syntax

DWORD GetThreadId(
         HANDLE Thread
)  

Parameters

Thread
Type: HANDLE 

[in] A handle to the thread. The handle must have the THREAD_QUERY_INFORMATION or THREAD_QUERY_LIMITED_INFORMATION access right. For more information about access rights, see Thread Security and Access Rights.

Note

  The handle must have the THREAD_QUERY_INFORMATION access right.

Return value

Type: DWORD 

If the function fails, the return value is zero. To get extended error information, call GetLastError. If the function succeeds, the return value is the thread identifier of the specified thread.

Remarks

Until a thread terminates, its thread identifier uniquely identifies it on the system.

Requirements

Header: Declared in processthreadsapi.h.

Library: Use kernelx.lib.